<template>
	<view class="content">
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item" :class="{ current: tabCurrentIndex === index }" @click="tabClick(index)">{{ item.text }}</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem, tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData('add')">
					<!-- 空白页 -->
					<empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>
					
					<!-- 订单列表 -->
					<view v-for="(item, index) in tabItem.orderList" :key="index" class="order-item">
						<view class="i-top b-b">
							<text class="time">{{ item.orderno }}</text>
							<text class="status" :style="{ color: item.statusTipColor }">{{ item.orderstatus_text }}</text>
						</view>

						<view v-if="item.goodslist.length  >= 1" class="goods-box-single" v-for="(goodsItem, goodsIndex) in item.goodslist" :key="goodsIndex">
							<image class="goods-img" :src="goodsItem.goodsthumb || '/static/images/errorImage.jpg'" mode="aspectFill"></image>
							<view class="right">
								<text class="title clamp">{{ goodsItem.goodsname }}</text>
								<text class="attr-box">规格：{{ goodsItem.specname || '无' }}</text>
								<text class="price">金额：{{ goodsItem.price }} x {{ goodsItem.goodsnum }}</text>
							</view>
						</view>

						<view class="price-box">
							共
							<text class="num">1</text>
							件商品 实付款
							<text class="price">金额：{{ item.actualprice }}</text>
						</view>

						<view class="action-box b-t" v-if="item.status == 1">
							<button class="action-btn" @click="orderDetail(item)">订单详情</button>
							<button class="action-btn recom1" @click="orderDel(item)">删除订单</button>
							<button class="action-btn recom" @click="toPay(item)">去支付</button>
						</view>
						<view class="action-box b-t" v-if="item.status == 2">
							<button class="action-btn" @click="orderDetail(item)">订单详情</button>
						</view>
						<view class="action-box b-t" v-if="item.status == 3">
							<button class="action-btn" @click="orderDetail(item)">订单详情</button>
							<button class="action-btn recom" @click="orderReceive(item)">确认收货</button>
						</view>
						<view class="action-box b-t" v-if="item.status == 4">
							<button class="action-btn" @click="orderDetail(item)">订单详情</button>
						</view>
					</view>

					<uni-load-more :status="tabItem.loadingType"></uni-load-more>
				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
import empty from '@/components/empty';
export default {
	components: {
		uniLoadMore,
		empty
	},
	data() {
		return {
			token: '',
			tabCurrentIndex: 0,
			navList: [
				{
					tabCurrentIndex: 0,
					status: 0,
					text: '全部',
					loadingType: 'more',
					p: 1,
					size: 20,
					count: 0,
					orderList: []
				},
				{
					tabCurrentIndex: 1,
					status: 1,
					text: '待付款',
					loadingType: 'more',
					p: 1,
					size: 20,
					count: 0,
					orderList: []
				},
				{
					tabCurrentIndex: 2,
					status: 2,
					text: '待发货',
					loadingType: 'more',
					p: 1,
					size: 20,
					count: 0,
					orderList: []
				},
				{
					tabCurrentIndex: 3,
					status: 3,
					text: '待收货',
					loadingType: 'more',
					p: 1,
					size: 20,
					count: 0,
					orderList: []
				},
				{
					tabCurrentIndex: 4,
					status: 4,
					text: '已完成',
					loadingType: 'more',
					p: 1,
					size: 20,
					count: 0,
					orderList: []
				}
			]
		};
	},
	
	onLoad(options) {
		/**
		 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
		 * 替换onLoad下代码即可
		 */
		if (options.tabCurrentIndex) {
			this.tabCurrentIndex = +options.tabCurrentIndex;
		}
	},
	
	onShow(){
		this.token = this.$api.get('token');
		if (!this.token) {
			uni.navigateTo({
				url: '/pages/public/login'
			});
			return;
		}
		
		this.loadData();
	},

	methods: {
		//获取订单列表
		async loadData(type = 'add') {
			//这里是将订单挂载到tab列表下
			let index = this.tabCurrentIndex;
			let navItem = this.navList[index];
			let status = navItem.status;

			console.log('navItem', navItem);

			if (navItem.loadingType === 'loading') {
				//防止重复加载
				return;
			}

			//没有更多直接返回
			if (type === 'add') {
				if (navItem.loadingType === 'nomore') {
					return;
				}
				navItem.loadingType = 'loading';
			} else {
				navItem.loadingType = 'more';
			}

			//获取订单信息
			const param = {};
			param.token = this.token;
			param.typeid = 1;
			param.status = navItem.status;
			param.p = navItem.p;
			param.size = navItem.size;

			await this.$http.request('Order', 'orderlist', 'GET', param, res => {
				if (res.status == 1) {
					if (res.data.error == 0) {
						navItem.p = navItem.p + 1;
						navItem.count = res.data.data.count;

						if (res.data.data.list) {
							let orderList = res.data.data.list.filter(item => {
								//添加不同状态下订单的表现形式
								item = Object.assign(item, this.orderStatusExp(item.status));
								return item;
							});

							orderList.forEach(item => {
								navItem.orderList.push(item);
							});
						}

						//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
						this.$set(navItem, 'loaded', true);

						//判断是否还有下一页，有是more  没有是nomore
						navItem.loadingType = navItem.count <= (navItem.p - 1) * navItem.size ? 'nomore' : 'more';
					}
				}
			});
		},

		//swiper 切换
		changeTab(e) {
			this.tabCurrentIndex = e.target.current;

			this.navList[this.tabCurrentIndex].p = 1;
			this.navList[this.tabCurrentIndex].size = 20;
			this.navList[this.tabCurrentIndex].count = 0;
			this.navList[this.tabCurrentIndex].loadingType = 'more';
			this.navList[this.tabCurrentIndex].orderList = [];
			this.loadData();
		},

		//顶部tab点击
		tabClick(index) {
			this.tabCurrentIndex = index;
		},

		//详情
		orderDetail(item) {
			let id = item.id;
			if (id && id != undefined) {
				uni.navigateTo({
					url: `/pages/order/order_menu1_detail?id=${id}`
				});
			}
		},
		//去支付
		toPay(item) {
			let orderid = item.id;
			uni.navigateTo({
				url: `/pages/order/payMenu1?orderid=${orderid}`
			});
		},
		//确认收货
		orderReceive(item) {
			uni.showModal({
				content: '是否确认收货？',
				success: e => {
					if (e.confirm) {
						uni.showLoading({
							title: '请稍后'
						});
						
						const param = {
							token: this.token,
							orderid: item.id
						};
						this.$http.request('Order', 'orderreceive', 'POST', param, res => {
							uni.hideLoading();
							if (res.status == 1) {
								if (res.data.error == 0) {
									// 确认收货成功
									this.$helper.toast('确认收货成功', 'sucess');
									
									setTimeout(() => {
										location.reload();
									}, 500);
								}
							}
						});
					}
				}
			});
		},
		//确认删除
		orderDel(item) {
			uni.showModal({
				content: '是否删除订单？',
				success: e => {
					if (e.confirm) {
						uni.showLoading({
							title: '请稍后'
						});
						
						const param = {
							token: this.token,
							orderid: item.id
						};
						this.$http.request('Order', 'orderdel', 'POST', param, res => {
							uni.hideLoading();
							if (res.status == 1) {
								if (res.data.error == 0) {
									// 确认收货成功
									this.$helper.toast('订单删除成功', 'sucess');
									setTimeout(() => {
										location.reload();
									}, 500);
								}
							}
						});
						
					}
				}
			});
		},
		
		//订单状态文字和颜色
		orderStatusExp(status) {
			let statusTip = '',
				statusTipColor = '#fa436a';
			switch (+status) {
				case 1:
					statusTip = '待付款';
					statusTipColor = '#909399';
					break;
				case 2:
					statusTip = '待发货';
					statusTipColor = '#909399';
					break;
				case 3:
					statusTip = '待收货';
					statusTipColor = '#909399';
					break;
				case 4:
					statusTip = '已完成';
					statusTipColor = '#909399';
					break;
				//更多自定义
			}
			return { statusTip, statusTipColor };
		}
	}
};
</script>

<style lang="scss">
page,
.content {
	background: $page-color-base;
	height: 100%;
}

.swiper-box {
	height: calc(100% - 40px);
}
.list-scroll-content {
	height: 100%;
}

.navbar {
	display: flex;
	height: 40px;
	padding: 0 5px;
	background: #fff;
	box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
	position: relative;
	z-index: 10;
	.nav-item {
		flex: 1;
		display: flex;
		justify-content: center;
		align-items: center;
		height: 100%;
		font-size: 15px;
		color: $font-color-dark;
		position: relative;
		&.current {
			color: $base-color;
			&:after {
				content: '';
				position: absolute;
				left: 50%;
				bottom: 0;
				transform: translateX(-50%);
				width: 44px;
				height: 0;
				border-bottom: 2px solid $base-color;
			}
		}
	}
}

.uni-swiper-item {
	height: auto;
}
.order-item {
	display: flex;
	flex-direction: column;
	padding-left: 30upx;
	background: #fff;
	margin-top: 16upx;
	.i-top {
		display: flex;
		align-items: center;
		height: 80upx;
		padding-right: 30upx;
		font-size: $font-base;
		color: $font-color-dark;
		position: relative;
		.time {
			flex: 1;
		}
		.status {
			color: $base-color;
		}
		.del-btn {
			padding: 10upx 0 10upx 36upx;
			font-size: $font-lg;
			color: $font-color-light;
			position: relative;
			&:after {
				content: '';
				width: 0;
				height: 30upx;
				border-left: 1px solid $border-color-dark;
				position: absolute;
				left: 20upx;
				top: 50%;
				transform: translateY(-50%);
			}
		}
	}
	/* 多条商品 */
	.goods-box {
		height: 160upx;
		padding: 20upx 0;
		white-space: nowrap;
		.goods-item {
			width: 120upx;
			height: 120upx;
			display: inline-block;
			margin-right: 24upx;
		}
		.goods-img {
			display: block;
			width: 100%;
			height: 100%;
		}
	}
	/* 单条商品 */
	.goods-box-single {
		display: flex;
		padding: 20upx 0;
		.goods-img {
			display: block;
			width: 120upx;
			height: 120upx;
		}
		.right {
			flex: 1;
			display: flex;
			flex-direction: column;
			padding: 0 30upx 0 24upx;
			overflow: hidden;
			.title {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				line-height: 1;
			}
			.attr-box {
				font-size: $font-sm + 2upx;
				color: $font-color-light;
				padding: 10upx 0upx;
			}
			.price {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				&:before {
					content: '';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}
	}

	.price-box {
		display: flex;
		justify-content: flex-end;
		align-items: baseline;
		padding: 20upx 30upx;
		font-size: $font-sm + 2upx;
		color: $font-color-light;
		border-bottom: dotted 1upx #eeeeee;
		.num {
			margin: 0 8upx;
			color: $font-color-dark;
		}
		.price {
			font-size: $font-lg;
			color: $font-color-dark;
			&:before {
				content: '';
				font-size: $font-sm;
				margin: 0 2upx 0 8upx;
			}
		}
	}
	.out-box {
		font-size: $font-sm;
		color: $font-color-dark;
		.out-text {
			height: 50upx;
			line-height: 50upx;
		}
	}
	.action-box {
		display: flex;
		justify-content: flex-end;
		align-items: center;
		height: 100upx;
		position: relative;
		padding-right: 30upx;
	}
	.action-btn {
		width: 160upx;
		height: 60upx;
		margin: 0;
		margin-left: 24upx;
		padding: 0;
		text-align: center;
		line-height: 60upx;
		font-size: $font-sm + 2upx;
		color: $font-color-dark;
		background: #fff;
		border-radius: 100px;
		&:after {
			border-radius: 100px;
		}
		&.recom {
			background: #fff9f9;
			color: $base-color;
			&:after {
				border-color: #f7bcc8;
			}
		}
		&.recom1 {
			background: #EBEEF5;
			color: $base-color;
			&:after {
				border-color: #f7bcc8;
			}
		}
	}
}

/* load-more */
.uni-load-more {
	display: flex;
	flex-direction: row;
	height: 80upx;
	align-items: center;
	justify-content: center;
}

.uni-load-more__text {
	font-size: 28upx;
	color: #999;
}

.uni-load-more__img {
	height: 24px;
	width: 24px;
	margin-right: 10px;
}

.uni-load-more__img > view {
	position: absolute;
}

.uni-load-more__img > view view {
	width: 6px;
	height: 2px;
	border-top-left-radius: 1px;
	border-bottom-left-radius: 1px;
	background: #999;
	position: absolute;
	opacity: 0.2;
	transform-origin: 50%;
	animation: load 1.56s ease infinite;
}

.uni-load-more__img > view view:nth-child(1) {
	transform: rotate(90deg);
	top: 2px;
	left: 9px;
}

.uni-load-more__img > view view:nth-child(2) {
	transform: rotate(180deg);
	top: 11px;
	right: 0;
}

.uni-load-more__img > view view:nth-child(3) {
	transform: rotate(270deg);
	bottom: 2px;
	left: 9px;
}

.uni-load-more__img > view view:nth-child(4) {
	top: 11px;
	left: 0;
}

.load1,
.load2,
.load3 {
	height: 24px;
	width: 24px;
}

.load2 {
	transform: rotate(30deg);
}

.load3 {
	transform: rotate(60deg);
}

.load1 view:nth-child(1) {
	animation-delay: 0s;
}

.load2 view:nth-child(1) {
	animation-delay: 0.13s;
}

.load3 view:nth-child(1) {
	animation-delay: 0.26s;
}

.load1 view:nth-child(2) {
	animation-delay: 0.39s;
}

.load2 view:nth-child(2) {
	animation-delay: 0.52s;
}

.load3 view:nth-child(2) {
	animation-delay: 0.65s;
}

.load1 view:nth-child(3) {
	animation-delay: 0.78s;
}

.load2 view:nth-child(3) {
	animation-delay: 0.91s;
}

.load3 view:nth-child(3) {
	animation-delay: 1.04s;
}

.load1 view:nth-child(4) {
	animation-delay: 1.17s;
}

.load2 view:nth-child(4) {
	animation-delay: 1.3s;
}

.load3 view:nth-child(4) {
	animation-delay: 1.43s;
}

@-webkit-keyframes load {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0.2;
	}
}
</style>